Microsoft Word 874 14 9x doc INTERNATIONAL STANDARD IEC 60874 14 9 QC 910004XX0009 First edition 1999 09 Connectors for optical fibres and cables – Part 14 9 Fibre optic connector type SC APC tuned 8°[.]
INTERNATIONAL STANDARD IEC 60874-14-9 QC 910004XX0009 First edition 1999-09 Part 14-9: Fibre optic connector type SC-APC tuned 8° terminated on single mode fibre type B1 – Detail specification Connecteurs pour câbles et fibres optiques – Partie 14-9: Connecteur pour fibres optiques de type SC-APC 8° (réglé) terminé sur une fibre monomodale de type B1 – Spécification particulière Reference number IEC 60874-14-9:1999(E) LICENSED TO MECON Limited - RANCHI/BANGALORE FOR INTERNAL USE AT THIS LOCATION ONLY, SUPPLIED BY BOOK SUPPLY BUREAU Connectors for optical fibres and cables – Numbering As from January 1997 all IEC publications are issued with a designation in the 60000 series Consolidated publications Consolidated versions of some IEC publications including amendments are available For example, edition numbers 1.0, 1.1 and 1.2 refer, respectively, to the base publication, the base publication incorporating amendment and the base publication incorporating amendments and Validity of this publication Information relating to the date of the reconfirmation of the publication is available in the IEC catalogue Information on the subjects under consideration and work in progress undertaken by the technical committee which has prepared this publication, as well as the list of publications issued, is to be found at the following IEC sources: • IEC web site* • Catalogue of IEC publications Published yearly with regular updates (On-line catalogue)* • IEC Bulletin Available both at the IEC web site* and as a printed periodical Terminology, graphical and letter symbols For general terminology, readers Electrotechnical Vocabulary (IEV) are referred to IEC 60050: International For graphical symbols, and letter symbols and signs approved by the IEC for general use, readers are referred to publications IEC 60027: Letter symbols to be used in electrical technology , IEC 60417: Graphical symbols for use on equipment Index, survey and compilation of the single sheets and IEC 60617: Graphical symbols for diagrams * See web site address on title page LICENSED TO MECON Limited - RANCHI/BANGALORE FOR INTERNAL USE AT THIS LOCATION ONLY, SUPPLIED BY BOOK SUPPLY BUREAU The technical content of IEC publications is kept under constant review by the IEC, thus ensuring that the content reflects current technology INTERNATIONAL STANDARD IEC 60874-14-9 QC 910004XX0009 First edition 1999-09 LICENSED TO MECON Limited - RANCHI/BANGALORE FOR INTERNAL USE AT THIS LOCATION ONLY, SUPPLIED BY BOOK SUPPLY BUREAU Connectors for optical fibres and cables – Part 14-9: Fibre optic connector type SC-APC tuned 8° terminated on single mode fibre type B1 – Detail specification Connecteurs pour câbles et fibres optiques – Partie 14-9: Connecteur pour fibres optiques de type SC-APC 8° (réglé) terminé sur une fibre monomodale de type B1 – Spécification particulière IEC 1999 Copyright - all rights reserved No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher International Electrotechnical Commission 3, rue de Varembé Geneva, Switzerland Telefax: +41 22 919 0300 e-mail: inmail@iec.ch IEC web site http://www.iec.ch Commission Electrotechnique Internationale International Electrotechnical Commission PRICE CODE R For price, see current catalogue –2– 60874-14-9 © IEC:1999(E) INTERNATIONAL ELECTROTECHNICAL COMMISSION CONNECTORS FOR OPTICAL FIBRES AND CABLES – Part 14-9: Fibre optic connector type SC-APC tuned 8° terminated on single mode fibre type B1 – Detail specification FOREWORD 2) The formal decisions or agreements of the IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested National Committees 3) The documents produced have the form of recommendations for international use and are published in the form of standards, technical specifications, technical reports or guides and they are accepted by the National Committees in that sense 4) In order to promote international unification, IEC National Committees undertake to apply IEC International Standards transparently to the maximum extent possible in their national and regional standards Any divergence between the IEC Standard and the corresponding national or regional standard shall be clearly indicated in the latter 5) The IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any equipment declared to be in conformity with one of its standards 6) Attention is drawn to the possibility that some of the elements of this International standard may be the subject of patent rights International Standard IEC 60874-14-9 has been prepared by subcommittee 86B: Fibre optic interconnecting devices and passive components, of IEC technical committee 86: Fibre optics The text of this standard is based on the following documents: FDIS Report on voting 86B/1223/FDIS 86B/1259/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table This publication has not been drafted in complete accordance with the ISO/IEC Directives, Part The QC number that appears on the front cover of this publication is the specification number in the IEC Quality Assessment System for Electronic Components (IECQ) The references to clauses or subclauses of IEC 60874-1 indicated in this part apply to the third edition of IEC 60874-1 LICENSED TO MECON Limited - RANCHI/BANGALORE FOR INTERNAL USE AT THIS LOCATION ONLY, SUPPLIED BY BOOK SUPPLY BUREAU 1) The IEC (International Electrotechnical Commission) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees) The object of the IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields To this end and in addition to other activities, the IEC publishes International Standards Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work International, governmental and non-governmental organizations liaising with the IEC also participate in this preparation The IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations 60874-14-9 © IEC:1999(E) –3– The committee has decided that the contents of this publication will remain unchanged until 2012 At this date, the publication will be • reconfirmed; • withdrawn; • replaced by a revised edition, or • amended A bilingual version of this standard may be issued at a later date LICENSED TO MECON Limited - RANCHI/BANGALORE FOR INTERNAL USE AT THIS LOCATION ONLY, SUPPLIED BY BOOK SUPPLY BUREAU –4– 60874-14-9 © IEC:1999(E) CONNECTORS FOR OPTICAL FIBRES AND CABLES Part 14-9: Fibre optic connector type SC-APC tuned 8° terminated on single mode fibre type B1 – Detail specification NATIONAL STANDARDS ORGANIZATION: ………………………… Date …………………… CONNECTOR SET FOR OPTICAL FIBRES AND CABLES CLASSIFICATION: Type: Name: SC/APC 8° angle (tuned) Configuration: plug-adapter-plug Coupling: push-pull Control dimensions: – Plug: see figures 1, 2, and – Adaptor: see IEC 60874-14-3 Arrangement: patchcord arrangement Style: Fibre retention: as required Cable retention: as required Optical coupling: butting Alignment: resilient sleeve alignment Variants: see page 10 Climatic category: 10/60/4 Environmental category: Assessment level: A QUALIFICATION PROCEDURE: Fixed sample procedure SAFETY WARNING: Take care when handling small diameter optical fibre to prevent puncturing the skin, especially in the eye area Direct viewing of the end of an optical fibre when it is propagating energy is not recommended unless prior assurance is obtained as to the safe energy output level Applicable fibre cable information Mode field diameter Cladding diameter Buffer diameter Jacket outer diameter Fibre cut-off wavelength Additional information – Attenuation in random connection: less than 0,60 dB (99 % probability) less than 0,15 dB (average) In accordance with IEC 60793-2 In accordance with IEC 60793-2 (250 ± 15) µm, (500 ± 30) µm, (900 ± 50) µm As required per variant 100 nm – 280 nm LICENSED TO MECON Limited - RANCHI/BANGALORE FOR INTERNAL USE AT THIS LOCATION ONLY, SUPPLIED BY BOOK SUPPLY BUREAU DETAIL SPECIFICATION IEC QC 910004XX0009 FIBRE OPTIC COMPONENT OF ASSESSED QUALITY IN ACCORDANCE WITH • GENERIC SPECIFICATION: QC 910000 (IEC 60874-1) • BLANK DETAIL SPECIFICATION: QC 910004 (IEC 60874-1-1) 60874-14-9 © IEC:1999(E) –5– Mechanical reference plane H I J Q R L P O N C F β M BM Fibre core Ferrule De-latch housing BM Cross section A-A’ Guide key B Detail of ferrule endface Guide key V A U T rS Projected from B direction A’ Figure – Plug mating face dimensions IEC 1035/99 LICENSED TO MECON Limited - RANCHI/BANGALORE FOR INTERNAL USE AT THIS LOCATION ONLY, SUPPLIED BY BOOK SUPPLY BUREAU E cBC ∅B ∅A D K G –6– 60874-14-9 © IEC:1999(E) Dimensions Reference Minimum Maximum A 2,4985 mm 2,4995 mm B 4,80 mm 4,90 mm C 6,80 mm 7,40 mm D 4,90 mm 5,30 mm E 6,70 mm 6,80 mm 19° 23° 25° 35° H 7,15 mm 7,50 mm I 0,80 mm 1,20 mm J 5,30 mm 5,50 mm K – 0,10 mm 0,05 mm L 2,11 mm 2,50 mm M 2,00 mm 2,80 mm N 6,60 mm 6,80 mm O 1,60 mm 1,80 mm P 8,89 mm 8,99 mm Q 0,80 mm 1,00 mm R 7,29 mm 7,39 mm rS 0,80 mm 0,90 mm T 4,05 mm 4,15 mm U 5,40 mm 5,60 mm V mm 0,50 mm cBC mm 0,50 mm BM mm 45° 1, Radius Chamfer NOTES Ferrule compression force shall be from 7,8 N to 11,8 N, when the ferrule is compressed to a point where H is mm ± 0,1 mm This value shows the dimension after the ferrule is polished and in the unmated condition Where a tolerance of form is not specified, the limits of the dimensions for a feature control the form as well as the size Where interrelated features of size (features shown with a common axis or centre plane) have no geometric tolerance of location or run-out specified, the limits of the dimensions for a feature control the location tolerance as well as the size Where perpendicular features (features shown at right angles) have no geometric tolerance of orientation or run-out specified, the limits of the dimensions for a feature control the orientation tolerance as well as the size The dimension “BM” means the adjusting angle of the core centre ferrule centre relative to the keying direction These dimensions shall be measured according to IEC 61300-2-41 Figure – Plug mating face dimensions (concluded) LICENSED TO MECON Limited - RANCHI/BANGALORE FOR INTERNAL USE AT THIS LOCATION ONLY, SUPPLIED BY BOOK SUPPLY BUREAU F G Notes 60874-14-9 © IEC:1999(E) –7– ∅A ED Plane B EA ∅A ED ED Plane A Guide key IEC 1036/99 Figure 2a – Expanded view of ferrule endface IEC 1037/99 Figure 2b – Expanded view from C direction Dimensions mm Reference Minimum EA ED Nominal Maximum 90° 0,80 Notes 1,70 Diameter, NOTES The dimension EA is defined as an angle between two planes: one plane, plane A, through the axis of the ferrule and the axis of symmetry of the guide key The other plane, plane B, passes through the axis of the ferrule and the normal to the angle PC reference plane The shape of the ferrule end shall be one of shape (1), (2) or (3) Figure – Ferrule endface radius and typical shape LICENSED TO MECON Limited - RANCHI/BANGALORE FOR INTERNAL USE AT THIS LOCATION ONLY, SUPPLIED BY BOOK SUPPLY BUREAU ∅A Ferrule –8– 60874-14-9 © IEC:1999(E) Angled PC reference plane EQ EO EB Vertex rEP IEC 1038/99 Dimension Reference Minimum EB Nominal Maximum 8° Notes EO mm 0,05 mm rEP 5,00 mm 12,00 mm 3, radius EQ –0,0001 mm 0,0001 mm and NOTES When used with 300 nm zero dispersion single-mode fibre this range of endface angle will ensure return loss of greater than 55 dB at wavelengths of 310 nm or 550 nm even when the connector is unmated However, when applied to dispersion shifted fibre, lesser return loss values in the unmated condition will be seen The dome eccentricity EO is defined as a distance between the ferrule centre and the vertex of the spherically polished endface relative to the angled PC reference plane This dimension shall be measured in both extreme positions when the ferrule is rotated in the connector The radius and fibre undercut shall be measured in all directions over a diameter of 0,25 mm The minimum as well as the maximum value shall be within specified limits The negative dimension refers to the fibre protrusion Figure – Ferrule endface geometry after termination LICENSED TO MECON Limited - RANCHI/BANGALORE FOR INTERNAL USE AT THIS LOCATION ONLY, SUPPLIED BY BOOK SUPPLY BUREAU Angled PC reference plane – 10 – 60874-14-9 © IEC:1999(E) VARIANT IDENTIFICATION NUMBERS NUMBER: XXXXXXXXXXXXXX ZZZZ Component name Variant feature Applicable cable jacket diameter Ferrule material mm Plug 2,00 Zirconia 1002 Plug 2,00 Metal 1003 Plug 2,40 Zirconia 1004 Plug 2,40 Metal 1005 Plug 2,70 Zirconia 1006 Plug 2,70 Metal 1007 Plug 3,00 Zirconia 1008 Plug 3,00 Metal SUPPLEMENTARY INFORMATION Colour: Colour of the de-latch housing shall be green according to RAL 6029 Colour of the boot shall be green according to RAL 6018 Component marking: The name and/or manufacturer’s identification mark may be permanently identified Figure shows an example of the location of the component marking Manufacturer’s identification mark Type name Figure – Example of component marking IEC 1040/99 LICENSED TO MECON Limited - RANCHI/BANGALORE FOR INTERNAL USE AT THIS LOCATION ONLY, SUPPLIED BY BOOK SUPPLY BUREAU 1001 60874-14-9 © IEC:1999(E) – 11 – TABLE FIXED SAMPLE TEST SCHEDULE FOR QUALIFICATION APPROVAL Test sequence Reference IEC QC 910000 (IEC 60874-1) (IEC 61300) n Group – Visual examination 4.4.1 (3-1) – Dimensions 4.4.2 (3-1) – Ferrule compression 20 (3-22) Group – Attenuation 4.4.7 (3-4) – Return loss 4.4.12 (3-6) 20 – Cold 4.5.17 (2-17) – Dry heat 4.5.18 (2-18) – Damp heat (steady state) 4.5.19 (2-19) Group – Drop 4.5.14 (2-12) – Engagement and separation force 4.4.5 (3-11) – Mechanical endurance 4.5.32 (2-2) Group – Vibration 4.5.1 (2-1) – Change of temperature (test Nb) 4.5.22 (2-22) Group – Strength of coupling mechanism 4.5.6 (2-6) – Cable pulling 4.5.4 (2-4) – Cable torsion 4.5.5 (2-5) 4.5.2 (2-4) Group – Fibre or ferrule retention NA NOTES n = sample size (number of plugs) To satisfy the qualification approval requirements of the detail specification, there shall be no failures in the sample groups for any test parameter If a failure does occur, this shall be investigated and the cause of failure identified and corrected The test which is affected shall then be repeated using the minimum sample size stated in this detail specification A fully documented test report and supporting data shall be prepared and made available for inspection Failures and the corrective action taken to eliminate failures shall be documented and evidence presented to show that the corrective action will have no detrimental effect on the performance in any of the other tests Design changes, as opposed to improvements in quality control, will necessitate a repeat of the full qualification programme Unless otherwise indicated, the test details, measurements and performance requirements are given in table 4 Only group test shall be carried out using a reference connector All other tests shall be carried out using the samples from the relevant group at random LICENSED TO MECON Limited - RANCHI/BANGALORE FOR INTERNAL USE AT THIS LOCATION ONLY, SUPPLIED BY BOOK SUPPLY BUREAU Group – 12 – 60874-14-9 © IEC:1999(E) TABLE LOT-BY-LOT QUALITY CONFORMANCE INSPECTION SCHEDULE GROUPS A AND B Test sequence Reference IEC 60874-1 (IEC QC 910000) (IEC 61300) Assessment level A IL AQL Group A – Visual examination 4.4.1 (3-1) II 4% – Attenuation 4.4.7 (3-4) II 4% – Return loss 4.4.12 (3-6) Group B Unless otherwise indicated, the details, measurements and performance requirements are given in table IL = Inspection level; AQL = Acceptable quality level Only attenuation and return loss tests shall be carried out using a reference connector All other tests shall be carried out using the samples from the relevant group at random LICENSED TO MECON Limited - RANCHI/BANGALORE FOR INTERNAL USE AT THIS LOCATION ONLY, SUPPLIED BY BOOK SUPPLY BUREAU NOTES 60874-14-9 © IEC:1999(E) – 13 – TABLE PERIODIC QUALITY CONFORMANCE INSPECTION SCHEDULE GROUPS C AND D Test sequence Assessment level A n p 4.4.1 4.4.2 (3-1) (3-1) (3-22) 18 24 4.4.7 4.4.12 (3-4) (3-6) 18 24 4.5.17 4.5.18 4.5.19 (2-17) (2-18) (2-19) 24 4.4.1 4.4.2 (3-1) (3-1) (3-22) 20 48 4.4.7 4.4.12 (3-4) (3-6) 20 48 4.5.17 4.5.18 4.5.19 (2-17) (2-18) (2-19) 48 4.5.14 4.4.5 4.5.2 (2-12) (3-11) (2-2) 4.5.1 4.5.22 (2-1) (2-22) 4.5.6 4.5.4 4.5.5 4.5.2 ` 48 48 (2-6) (2-4) (2-5) 48 (2-4) NA NA NOTES Unless otherwise indicated, the details, measurements and performance requirements are given in table To satisfy the qualification approval requirements of the detail specification, there shall be no failures of any in the sample groups for any test parameter If a failure does occur, this shall be investigated and the cause of failure identified and corrected The test which is affected must then be repeated using the minimum sample size stated in this detail specification A fully documented test report and supporting data shall be prepared and made available for inspection Failures and the corrective action taken to eliminate failures must be documented and evidence must be presented to show that the corrective action will have no detrimental effect on the performance in any of the other tests Design changes, as opposed to improvements in quality control, will necessitate a repeat of the full qualification programme n = sample size (number of plugs); p = periodicity in months Only group C1 and D1 tests shall be carried out using a reference connector All other tests shall be carried out using the samples from the relevant group at random LICENSED TO MECON Limited - RANCHI/BANGALORE FOR INTERNAL USE AT THIS LOCATION ONLY, SUPPLIED BY BOOK SUPPLY BUREAU Group C0 – Visual examination – Dimensions – Ferrule compression Group C1 – Attenuation – Return loss Group C2 – Cold – Dry heat – Damp heat (steady state) Group D0 – Visual examination – Dimensions – Ferrule compression Group D1 – Attenuation – Return loss Group D2 – Cold – Dry heat – Damp heat (steady state) Group D3 – Drop – Engagement and separation force – Mechanical endurance Group D4 – Vibration – Change of temperature (test Nb) Group D5 – Strength of coupling mechanism – Cable pulling – Cable torsion Group D6 – Fibre or ferrule retention Reference IEC QC 910000 (IEC 61300) – 14 – 60874-14-9 © IEC:1999(E) TABLE DETAILS, MEASUREMENTS AND PERFORMANCE REQUIREMENTS Visual examination 4.4.1 (61300-3-1) Requirements: – Marking shall be clear – De-latch housing shall be movable smoothly Dimensions 4.4.2 (61300-3-1) Requirements: Attenuation 4.4.7 (61300-3-4) Details: – Method No – Definitions of reference plug are as follows: – Concentricity of the fibre core with the outer diameter of the ferrule is less than 0,6 µm – Eccentricity of a spherical polished ferrule endface is less than 30 µm – Adaptor shall be in accordance with IEC 60874-14-3 – Number of measurements to be averaged: – Source: LD – Peak wavelength: 1,3 µm and or 1,55 µm – Preconditioning procedure: clean ferrule endface and inside of alignment sleeve using lint-free cloth – Recovery procedure: none Requirements: – Allowable attenuation: less than 0,5 dB against reference plug using reference adaptor Return loss 4.4.12 (61300-3-6) Details: – Method No – Source: LD – Peak wavelength: 1,3 µm – Adaptor shall be in accordance with IEC 60874-14-3 – Preconditioning procedure: clean ferrule endface and inside of alignment sleeve using lint-free cloth – Recovery procedure: none Requirements: – Allowable return loss: more than 55 dB against reference plug using reference adaptor, with a maximum length of m Measurement equipment shall be compensated for the Rayleigh backscatter of the fibre in the reference lead LICENSED TO MECON Limited - RANCHI/BANGALORE FOR INTERNAL USE AT THIS LOCATION ONLY, SUPPLIED BY BOOK SUPPLY BUREAU – All size dimensions shall be in accordance with this specification 60874-14-9 © IEC:1999(E) – 15 – TABLE (continued) DETAILS, MEASUREMENTS AND PERFORMANCE REQUIREMENTS Cold 4.5.17 (61300-2-17) Details: – Temperature: –10 °C – Duration: 96 h – Specimen optically functioning Requirements: – Change in attenuation during test: less than 0,2 dB – Return loss during test: more than 55 dB Dry heat 4.5.18 (61300-2-18) Details: – Temperature: 60 °C – Duration: 96 h – Specimen optically functioning – Conditioning procedure: specimen raised to test temperature and returned to room temperature at a rate not to exceed °C/min – Deviations: none – Adaptor shall be in accordance with IEC 60874-14-3 – Monitoring method of attenuation and return loss shall be in accordance with IEC 61300-3-30 – Preconditioning procedure: clean ferrule endface and inside of alignment sleeve using lint-free cloth – Recovery procedure: after test, specimens shall be maintained in room temperature conditions for h – Clean ferrule endface and inside of alignment sleeve using lint-free cloth Requirements: – Change in attenuation during test: less than 0,2 dB – Return loss during test: more than 55 dB Damp heat (steady state) 4.5.19 (61300-2-19) Details: – Temperature: 40 °C – Relative humidity: 90 % – 95 % – Duration: days – Precautions regarding surface moisture removal: none – Specimen optically functioning – Conditioning procedure: specimen raised to test temperature and returned to room temperature at a rate not to exceed °C/min – Deviations: none – Adaptor shall be in accordance with IEC 60874-14-3 – Monitoring method of attenuation and return loss shall be in accordance with IEC 61300-3-30 – Preconditioning procedure: clean ferrule endface and inside of alignment sleeve using lint-free cloth – Recovery procedure: after test, specimens shall be maintained in room temperature conditions for h – Clean ferrule endface and inside of alignment sleeve using lint-free cloth before final measurement Requirements: – Change in attenuation during test: less than 0,2 dB – Return loss during test: more than 55 dB LICENSED TO MECON Limited - RANCHI/BANGALORE FOR INTERNAL USE AT THIS LOCATION ONLY, SUPPLIED BY BOOK SUPPLY BUREAU – Conditioning procedure: specimen lowered to test temperature and returned to room temperature at a rate not to exceed °C/min – Deviations: none – Adaptor shall be in accordance with IEC 60874-14-3 – Monitoring method of attenuation and return loss shall be in accordance with IEC 61300-3-30 – Preconditioning procedure: clean ferrule endface and inside of alignment sleeve using lint-free cloth – Recovery procedure: after test, specimens shall be maintained in room temperature conditions for h – Clean ferrule endface and inside of alignment sleeve using lint-free cloth – 16 – 60874-14-9 © IEC:1999(E) TABLE (continued) DETAILS, MEASUREMENTS AND PERFORMANCE REQUIREMENTS Cable pulling 4.5.4 (61300-2-4) Details: – Magnitude: 90 N – Rate of application of the tensile load: 50 N/min < load rate < 250 N/min – Point of application of the tensile load: 22 cm – 28 cm from the connector – Specimen optically non-functioning – Preconditioning procedure: clean ferrule endface and inside of alignment sleeve using lint-free cloth – Recovery procedure: none – Deviations: none Initial measurements and performance requirements: – Attenuation: less than 0,60 dB – Return loss: more than 55 dB Final measurements and performance requirements: – Maximum change in attenuation between initial and final measurements; less than 0,2 dB – Return loss: more than 55 dB – The specimen has no mechanical damage Cable torsion 4.5.5 (61300-2-5) Details: – Tensile load: 1,5 kg (for the variant No 1001, 1002) 2,5 kg (for the variant No 1003, 1004) – Application of load; twist the cable 2,5 turns in one direction with specified load applied Then twist it turns in the other direction and back turns for cycles – Point of application of the tensile load: 22 cm – 28 cm from the connector – Specimen optically non-functioning – Preconditioning procedure: clean ferrule endface and inside of alignment sleeve using lint-free cloth – Recovery procedure: none – Deviations: none – Adaptor shall be in accordance with IEC 60874-14-3 Initial measurements and performance requirements: – Attenuation: less than 0,60 dB – Return loss: more than 55 dB Final measurements and performance requirements: – Maximum change in attenuation between initial and final measurements: less than 0,2 dB – Return loss: more than 55 dB – The specimen has no mechanical damage LICENSED TO MECON Limited - RANCHI/BANGALORE FOR INTERNAL USE AT THIS LOCATION ONLY, SUPPLIED BY BOOK SUPPLY BUREAU – Adaptor shall be in accordance with IEC 60874-14-3 60874-14-9 © IEC:1999(E) – 17 – TABLE (continued) DETAILS, MEASUREMENTS AND PERFORMANCE REQUIREMENTS Strength of coupling mechanism 4.5.6 (61300-2-6) Details: – Magnitude: 68,6 N – Rate of application of the tensile load: 50 N/min < load rate < 250 N/min – Point of application of the tensile load: 22 cm – 28 cm from connector – Specimen optically non-functioning – Preconditioning procedure: clean ferrule endface and inside of alignment sleeve using lint-free cloth – Deviations: none – Adaptor shall be in accordance with IEC 60874-14-3 Initial measurements and performance requirements: – Attenuation: less than 0,60 dB – Return loss: more than 55 dB Final measurements and performance requirements: – Maximum change in attenuation between initial and final measurements: less than 0,2 dB – Return loss: more than 55 dB – The specimen has no mechanical damage Mechanical endurance 4.5.32 (61300-2-2) Details: – Cycles: 500 – Specimen optically functioning – Preconditioning procedure: clean ferrule endface and inside of alignment sleeve using lint-free cloth – Recovery procedure: clean as necessary, but no more than 25 times during the course of the test – Deviations: none – Adaptor shall be in accordance with IEC 60874-14-3 Requirements: – Change in attenuation during test: less than 0,2 dB – Return loss during test: more than 55 dB Ferrule compression force (61300-3-22) Details: – Position of the ferrule endface relative to mechanical reference plane of the connector while ferrule compression force shall be measured: Dimension H (see figure 1) is mm ± 0,1 mm Requirements: – Allowable ferrule compression force: 7,8 N – 11,8 N LICENSED TO MECON Limited - RANCHI/BANGALORE FOR INTERNAL USE AT THIS LOCATION ONLY, SUPPLIED BY BOOK SUPPLY BUREAU – Recovery procedure: clean ferrule endface and inside of alignment sleeve using lint-free cloth before final measurement – 18 – 60874-14-9 © IEC:1999(E) TABLE (continued) DETAILS, MEASUREMENTS AND PERFORMANCE REQUIREMENTS Drop 4.5.14 (61300-2-12) Details: – Method: A – Number of drops: – Drop height: 000 mm – Specimen optically non-functioning – Preconditioning procedure: clean ferrule endface and inside of alignment sleeve using lint-free cloth The plug shall be with dust cap – Deviation: none – Adaptor shall be in accordance with IEC 60874-14-3 Initial measurements and performance requirements: – Attenuation: less than 0,60 dB – Return loss: more than 55 dB Final measurements and performance requirements: – Maximum change in attenuation between initial and final measurements: less than 0,2 dB – Return loss; more than 55 dB – The specimen has no mechanical damage Engagement and separation force 4.5.4 (61300-3-11) Details: – Preconditioning procedure: none – Deviation: as necessary – Adaptor shall be in accordance with IEC 60874-14-3 Requirements: – Allowable engagement force: max 19,6 N – Allowable separation force: max 19,6 N LICENSED TO MECON Limited - RANCHI/BANGALORE FOR INTERNAL USE AT THIS LOCATION ONLY, SUPPLIED BY BOOK SUPPLY BUREAU – Recovery procedure: clean ferrule endface and inside of alignment sleeve using lint-free cloth before final measurement